Using Functions in Math Expressions

To use a function, type the letters that represent the function, and then surround the expression in that function with parentheses. For example, to represent the square root of 4*a+b4*a+b, type sqrt(4*a+b).

You can use the following functions:

Common functions:

sqrt

log10

log2

ln

exp

abs

Trigonometric functions and their inverses, as well as hyperbolic trigonometric functions and their inverses:

Function

Inverse

Hyperbolic Function

Inverse

sin

arcsin

sinh

arcsinh

cos

arccos

cosh

arccosh

tan

arctan

tanh

arctanh

sec

arcsec

sech

arcsech

csc

arccsc

csch

arccsch

cot

arccot

coth

arccoth

Factorials: Enter factorials as fact(3) or factorial(3). You must use integers. For example, you cannot enter fact(1.5).